lib/Target/NVPTX/NVPTXInstrInfo.td - Issue 183273009: Prep for merging 3.4: Undo changes from 3.3 branch

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Issue 183273009: Prep for merging 3.4: Undo changes from 3.3 branch (Closed) Base URL: http://git.chromium.org/native_client/pnacl-llvm.git@master

Patch Set: Retry Created 6 years, 9 months ago

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1 //===- NVPTXInstrInfo.td - NVPTX Instruction defs -------------- tblgen--===//	1 //===- NVPTXInstrInfo.td - NVPTX Instruction defs -------------- tblgen--===//

2 //	2 //

3 // The LLVM Compiler Infrastructure	3 // The LLVM Compiler Infrastructure

4 //	4 //

5 // This file is distributed under the University of Illinois Open Source	5 // This file is distributed under the University of Illinois Open Source

6 // License. See LICENSE.TXT for details.	6 // License. See LICENSE.TXT for details.

7 //	7 //

8 //===----------------------------------------------------------------------===//	8 //===----------------------------------------------------------------------===//

9 //	9 //

10 // This file describes the PTX instructions in TableGen format.	10 // This file describes the PTX instructions in TableGen format.

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68 def doFMADF32_ftz : Predicate<"(doFMADF32 && UseF32FTZ)">;	68 def doFMADF32_ftz : Predicate<"(doFMADF32 && UseF32FTZ)">;

69	69

70 def doMulWide : Predicate<"doMulWide">;	70 def doMulWide : Predicate<"doMulWide">;

71	71

72 def allowFMA : Predicate<"allowFMA">;	72 def allowFMA : Predicate<"allowFMA">;

73 def allowFMA_ftz : Predicate<"(allowFMA && UseF32FTZ)">;	73 def allowFMA_ftz : Predicate<"(allowFMA && UseF32FTZ)">;

74	74

75 def do_DIVF32_APPROX : Predicate<"do_DIVF32_PREC==0">;	75 def do_DIVF32_APPROX : Predicate<"do_DIVF32_PREC==0">;

76 def do_DIVF32_FULL : Predicate<"do_DIVF32_PREC==1">;	76 def do_DIVF32_FULL : Predicate<"do_DIVF32_PREC==1">;

77	77

78 def do_SQRTF32_APPROX : Predicate<"do_SQRTF32_PREC==0">;

79 def do_SQRTF32_RN : Predicate<"do_SQRTF32_PREC==1">;

80

81 def hasHWROT32 : Predicate<"Subtarget.hasHWROT32()">;	78 def hasHWROT32 : Predicate<"Subtarget.hasHWROT32()">;

82	79

83 def true : Predicate<"1">;	80 def true : Predicate<"1">;

84	81

85 //===----------------------------------------------------------------------===//	82 //===----------------------------------------------------------------------===//

86 // Special Handling for 8-bit Operands and Operations	83 // Special Handling for 8-bit Operands and Operations

87 //	84 //

88 // PTX supports 8-bit signed and unsigned types, but does not support 8-bit	85 // PTX supports 8-bit signed and unsigned types, but does not support 8-bit

89 // operations (like add, shift, etc) except for ld/st/cvt. SASS does not have	86 // operations (like add, shift, etc) except for ld/st/cvt. SASS does not have

90 // 8-bit registers.	87 // 8-bit registers.

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2871	2868

2872	2869

2873 //-----------------------------------	2870 //-----------------------------------

2874 // Notes	2871 // Notes

2875 //-----------------------------------	2872 //-----------------------------------

2876 // BSWAP is currently expanded. The following is a more efficient	2873 // BSWAP is currently expanded. The following is a more efficient

2877 // - for < sm_20, use vector scalar mov, as tesla support native 16-bit register	2874 // - for < sm_20, use vector scalar mov, as tesla support native 16-bit register

2878 // - for sm_20, use pmpt (use vector scalar mov to get the pack and	2875 // - for sm_20, use pmpt (use vector scalar mov to get the pack and

2879 // unpack). sm_20 supports native 32-bit register, but not native 16-bit	2876 // unpack). sm_20 supports native 32-bit register, but not native 16-bit

2880 // register.	2877 // register.

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